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Close approach images of Hartley 2!

Emily Lakdawalla • November 04, 2010

What a dramatic and cool photo! An asteroid with two lobes like Borrelly, lumpy and bouldery like Itokawa, with gorgeous active jets, dramatically lit. Well done, Deep Impact team!

Deep Impact movies of outbursts from Hartley 2

Emily Lakdawalla • November 01, 2010

Since comet Hartley 2 -- the target of Deep Impact's November 4 flyby -- is near its perihelion, it's no surprise that it's an active comet with lots of outbursts.

Three days until Deep Impact's encounter with Hartley 2

Emily Lakdawalla • November 01, 2010

The week is finally here: Deep Impact flies past Hartley 2, the smallest comet yet to be visited by a spacecraft, on Thursday, November 4 at 13:50 UTC.

Arecibo images show Hartley 2 is elongated

Emily Lakdawalla • October 29, 2010

Comet Hartley 2, the target for Deep Impact's close flyby (now just six days away!) made its closest approach to Earth on October 20, at a distance of 17.7 million kilometers.

A couple of tidbits from today's Deep Impact preview briefing

Emily Lakdawalla • October 26, 2010

Today was the press briefing that previewed the upcoming Deep Impact flyby of Hartley 2.

Deep Impact approaching Hartley 2

Emily Lakdawalla • September 22, 2010

The Deep Impact spacecraft team has released a third image from their approach to comet Hartley 2, and for me, three images is an invitation to make an animation!

Deep Impact snaps first image of flyby target comet Hartley 2

Emily Lakdawalla • September 08, 2010

Deep Impact is rapidly approaching its next -- and final -- target, comet Hartley 2, which it will fly by on November 4.

The Stardust Sample Catalog

Emily Lakdawalla • August 12, 2010

It never ceases to amaze me how much science is being wrung out of the few grams of material that were returned to Earth by the Stardust mission.

Report from the Exploration of Near-Earth Objects Objectives Workshop - Day 2

Bruce Betts • August 11, 2010

It's day 2 at NASA's Exploration of Near Earth Objects (NEO) Objectives workshop (ExploreNOW).

Progress on WISE's asteroid survey

Emily Lakdawalla • May 28, 2010

I wrote some time ago about the expectations for the Wide-field Infrared Survey Explorer (WISE)'s contributions to solar system science. A couple of days ago, JPL posted an image and movie documenting the progress to date.

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